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<div class="subTitle">org.apache.commons.math3.optimization.fitting</div>
<h2 title="Class PolynomialFitter" class="title">Class PolynomialFitter</h2>
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<li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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<li><a href="../../../../../../org/apache/commons/math3/optimization/fitting/CurveFitter.html" title="class in org.apache.commons.math3.optimization.fitting">org.apache.commons.math3.optimization.fitting.CurveFitter</a>&lt;<a href="../../../../../../org/apache/commons/math3/analysis/polynomials/PolynomialFunction.Parametric.html" title="class in org.apache.commons.math3.analysis.polynomials">PolynomialFunction.Parametric</a>&gt;</li>
<li>
<ul class="inheritance">
<li>org.apache.commons.math3.optimization.fitting.PolynomialFitter</li>
</ul>
</li>
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<div class="block"><strong>Deprecated.</strong>&nbsp;
<div class="block"><i>As of 3.1 (to be removed in 4.0).</i></div>
</div>
<br>
<pre><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
public class <span class="strong">PolynomialFitter</span>
extends <a href="../../../../../../org/apache/commons/math3/optimization/fitting/CurveFitter.html" title="class in org.apache.commons.math3.optimization.fitting">CurveFitter</a>&lt;<a href="../../../../../../org/apache/commons/math3/analysis/polynomials/PolynomialFunction.Parametric.html" title="class in org.apache.commons.math3.analysis.polynomials">PolynomialFunction.Parametric</a>&gt;</pre>
<div class="block">Polynomial fitting is a very simple case of <a href="../../../../../../org/apache/commons/math3/optimization/fitting/CurveFitter.html" title="class in org.apache.commons.math3.optimization.fitting"><code>curve fitting</code></a>.
 The estimated coefficients are the polynomial coefficients (see the
 <a href="../../../../../../org/apache/commons/math3/optimization/fitting/PolynomialFitter.html#fit(double[])"><code>fit</code></a> method).</div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>2.0</dd></dl>
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<h3>Constructor Summary</h3>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/fitting/PolynomialFitter.html#PolynomialFitter(org.apache.commons.math3.optimization.DifferentiableMultivariateVectorOptimizer)">PolynomialFitter</a></strong>(<a href="../../../../../../org/apache/commons/math3/optimization/DifferentiableMultivariateVectorOptimizer.html" title="interface in org.apache.commons.math3.optimization">DifferentiableMultivariateVectorOptimizer</a>&nbsp;optimizer)</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Simple constructor.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/fitting/PolynomialFitter.html#PolynomialFitter(int,%20org.apache.commons.math3.optimization.DifferentiableMultivariateVectorOptimizer)">PolynomialFitter</a></strong>(int&nbsp;degree,
                <a href="../../../../../../org/apache/commons/math3/optimization/DifferentiableMultivariateVectorOptimizer.html" title="interface in org.apache.commons.math3.optimization">DifferentiableMultivariateVectorOptimizer</a>&nbsp;optimizer)</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;
<div class="block"><i>Since 3.1 (to be removed in 4.0). Please use
 <a href="../../../../../../org/apache/commons/math3/optimization/fitting/PolynomialFitter.html#PolynomialFitter(org.apache.commons.math3.optimization.DifferentiableMultivariateVectorOptimizer)"><code>PolynomialFitter(DifferentiableMultivariateVectorOptimizer)</code></a> instead.</i></div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/fitting/PolynomialFitter.html#fit()">fit</a></strong>()</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;
<div class="block"><i>Since 3.1 (to be removed in 4.0). Please use <a href="../../../../../../org/apache/commons/math3/optimization/fitting/PolynomialFitter.html#fit(double[])"><code>fit(double[])</code></a> instead.</i></div>
</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/fitting/PolynomialFitter.html#fit(double[])">fit</a></strong>(double[]&nbsp;guess)</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Get the coefficients of the polynomial fitting the weighted data points.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/fitting/PolynomialFitter.html#fit(int,%20double[])">fit</a></strong>(int&nbsp;maxEval,
   double[]&nbsp;guess)</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Get the coefficients of the polynomial fitting the weighted data points.</div>
</td>
</tr>
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<h3>Methods inherited from class&nbsp;org.apache.commons.math3.optimization.fitting.<a href="../../../../../../org/apache/commons/math3/optimization/fitting/CurveFitter.html" title="class in org.apache.commons.math3.optimization.fitting">CurveFitter</a></h3>
<code><a href="../../../../../../org/apache/commons/math3/optimization/fitting/CurveFitter.html#addObservedPoint(double,%20double)">addObservedPoint</a>, <a href="../../../../../../org/apache/commons/math3/optimization/fitting/CurveFitter.html#addObservedPoint(double,%20double,%20double)">addObservedPoint</a>, <a href="../../../../../../org/apache/commons/math3/optimization/fitting/CurveFitter.html#addObservedPoint(org.apache.commons.math3.optimization.fitting.WeightedObservedPoint)">addObservedPoint</a>, <a href="../../../../../../org/apache/commons/math3/optimization/fitting/CurveFitter.html#clearObservations()">clearObservations</a>, <a href="../../../../../../org/apache/commons/math3/optimization/fitting/CurveFitter.html#fit(int,%20T,%20double[])">fit</a>, <a href="../../../../../../org/apache/commons/math3/optimization/fitting/CurveFitter.html#fit(T,%20double[])">fit</a>, <a href="../../../../../../org/apache/commons/math3/optimization/fitting/CurveFitter.html#getObservations()">getObservations</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li>
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<h3>Constructor Detail</h3>
<a name="PolynomialFitter(int, org.apache.commons.math3.optimization.DifferentiableMultivariateVectorOptimizer)">
<!--   -->
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<h4>PolynomialFitter</h4>
<pre><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
public&nbsp;PolynomialFitter(int&nbsp;degree,
                           <a href="../../../../../../org/apache/commons/math3/optimization/DifferentiableMultivariateVectorOptimizer.html" title="interface in org.apache.commons.math3.optimization">DifferentiableMultivariateVectorOptimizer</a>&nbsp;optimizer)</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;<i>Since 3.1 (to be removed in 4.0). Please use
 <a href="../../../../../../org/apache/commons/math3/optimization/fitting/PolynomialFitter.html#PolynomialFitter(org.apache.commons.math3.optimization.DifferentiableMultivariateVectorOptimizer)"><code>PolynomialFitter(DifferentiableMultivariateVectorOptimizer)</code></a> instead.</i></div>
<div class="block">Simple constructor.
 <p>The polynomial fitter built this way are complete polynomials,
 ie. a n-degree polynomial has n+1 coefficients.</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>degree</code> - Maximal degree of the polynomial.</dd><dd><code>optimizer</code> - Optimizer to use for the fitting.</dd></dl>
</li>
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<a name="PolynomialFitter(org.apache.commons.math3.optimization.DifferentiableMultivariateVectorOptimizer)">
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<h4>PolynomialFitter</h4>
<pre>public&nbsp;PolynomialFitter(<a href="../../../../../../org/apache/commons/math3/optimization/DifferentiableMultivariateVectorOptimizer.html" title="interface in org.apache.commons.math3.optimization">DifferentiableMultivariateVectorOptimizer</a>&nbsp;optimizer)</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Simple constructor.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>optimizer</code> - Optimizer to use for the fitting.</dd><dt><span class="strong">Since:</span></dt>
  <dd>3.1</dd></dl>
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<h3>Method Detail</h3>
<a name="fit()">
<!--   -->
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<h4>fit</h4>
<pre><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
public&nbsp;double[]&nbsp;fit()</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;<i>Since 3.1 (to be removed in 4.0). Please use <a href="../../../../../../org/apache/commons/math3/optimization/fitting/PolynomialFitter.html#fit(double[])"><code>fit(double[])</code></a> instead.</i></div>
<div class="block">Get the polynomial fitting the weighted (x, y) points.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the coefficients of the polynomial that best fits the observed points.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../../org/apache/commons/math3/exception/ConvergenceException.html" title="class in org.apache.commons.math3.exception">ConvergenceException</a></code> - if the algorithm failed to converge.</dd></dl>
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<a name="fit(int, double[])">
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<h4>fit</h4>
<pre>public&nbsp;double[]&nbsp;fit(int&nbsp;maxEval,
           double[]&nbsp;guess)</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Get the coefficients of the polynomial fitting the weighted data points.
 The degree of the fitting polynomial is <code>guess.length - 1</code>.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>guess</code> - First guess for the coefficients. They must be sorted in
 increasing order of the polynomial's degree.</dd><dd><code>maxEval</code> - Maximum number of evaluations of the polynomial.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the coefficients of the polynomial that best fits the observed points.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../../org/apache/commons/math3/exception/TooManyEvaluationsException.html" title="class in org.apache.commons.math3.exception">TooManyEvaluationsException</a></code> - if
 the number of evaluations exceeds <code>maxEval</code>.</dd>
<dd><code><a href="../../../../../../org/apache/commons/math3/exception/ConvergenceException.html" title="class in org.apache.commons.math3.exception">ConvergenceException</a></code> - if the algorithm failed to converge.</dd><dt><span class="strong">Since:</span></dt>
  <dd>3.1</dd></dl>
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<h4>fit</h4>
<pre>public&nbsp;double[]&nbsp;fit(double[]&nbsp;guess)</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Get the coefficients of the polynomial fitting the weighted data points.
 The degree of the fitting polynomial is <code>guess.length - 1</code>.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>guess</code> - First guess for the coefficients. They must be sorted in
 increasing order of the polynomial's degree.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the coefficients of the polynomial that best fits the observed points.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../../org/apache/commons/math3/exception/ConvergenceException.html" title="class in org.apache.commons.math3.exception">ConvergenceException</a></code> - if the algorithm failed to converge.</dd><dt><span class="strong">Since:</span></dt>
  <dd>3.1</dd></dl>
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